/Engine/Source/Runtime/Landscape/Public/LandscapeEdit.h
This constructor will build an interface that works in the current edit layer (uses theALandscapePrivateEditingLayer state)
FLandscapeEditDataInterface ( [ULandscapeInfo](API\Runtime\Landscape\ULandscapeInfo) * InLandscape, bool bInUploadTextureChangesToGPU )